Let's calculate 5585 x 6404
5585 × 6404 = 6404 × (5585)
+ 6404 × 5 that results in 32020
+ 6404 × 80 that results in 512320
+ 6404 × 500 what gives us 3202000
+ 6404 × 5000 giving us 32020000

= 35766340
